Home / 65,699,559-90,665,979.22-36,332,881.02

Finding the Fourth Proportional to 65,699,559, 90,665,979.22 and 36,332,881.02

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Solution

The fourth proportional to 65,699,559, 90,665,979.22 and 36,332,881.02 is: 50,139,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,699,559 : 90,665,979.22 = 36,332,881.02 : x
  2. Step 2: Convert to fraction form
    65,699,559/90,665,979.22 = 36,332,881.02/x
  3. Step 3: Cross multiply
    65,699,559x = 90,665,979.22 × 36,332,881.02
  4. Step 4: Simplify right side
    65,699,559x = 3,294,156,235,471,220.50
  5. Step 5: Solve for x
    x = 3,294,156,235,471,220.50/65,699,559
  6. Step 6: Final answer
    x = 50,139,700.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.